Incidence of fracture of ProDesign Logic system instruments: A cross-sectional retrospective study

Machado, Ricardo; Júnior, Claudemir de Souza; Mendes, Bruna Larissa; Vieira, Viviane Laudelino; Reinke, Stella Maria Glaci; Kovalik, Ana Cristina; Back, Eduardo Donato Eing Elgelke; Comparin, Daniel

doi:10.1038/s41598-022-11605-x

Cited by 2 publications

(1 citation statement)

References 34 publications

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“…It seems that technical advancements in instrument could reduce the effect of working experience on root canal preparation. However, another study shows the incidence of CM wire instrument separation was relatively high, with fracture rates of 8.5% and 3.69% considering the number of teeth and canals treated [ 30 ]. The CM wire NiTi system used in the above study was developed for the purpose of making more conservative biomechanical preparations by means of less wear on the peri-cervical dentin, which lacks a file to enlarge the coronal two-thirds of the canal.…”

Section: Discussionmentioning

confidence: 99%

Influence of operator’s experience on complications of root canal treatment using contemporary techniques: a retrospective study

Shao,

Guan,

Zhang

et al. 2024

BMC Oral Health

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Background Endodontic treatment has benefited from the development of new techniques and equipment. Few clinical studies have been published on the complications associated with root canal preparations performed by doctors with different working experiences using contemporary techniques. This study aimed to analyze the complications of endodontic treatment performed by residents and endodontic specialists in a teaching stomatology hospital using contemporary techniques. Methods Cases of root canal treatment (RCT) and non-surgical root canal retreatment (ReRCT) performed by residents with 1–3 years of experience and endodontic specialists with 5–7 years of experience were collected from the electronic medical system of the Department of Endodontics, Beijing Stomatology Hospital, from September 1, 2020 to August 31, 2021. The cases were examined in terms of patient age, sex, type of tooth, diagnosis, treatment modality (RCT or ReRCT), number of appointments, whether an operating microscope was used, presence of ledges, canal transportation, perforations, missed canals, separated instruments, flare-ups and clinical incidence of second mesiobuccal (MB2) root canal in the maxillary molars. Results In total, 859 teeth from 820 patients were included in the analysis. The overall incidence of complications in the resident group was significantly higher than that in the specialist group. More ledges and flare-ups were observed in the resident group (p < 0.05). The clinical incidence of MB2 was significantly higher in the specialist group (p < 0.05). There were no significant differences in root canal transportation, perforation, or instrument separation between the two groups (p < 0.05). Multivariate analysis showed that the incidence of root canal preparation complications was related to operator experience, tooth type and treatment modality. Conclusions Technical advancements could reduce the effect of working experience on RCT complications between residents and endodontic specialists in a teaching stomatology hospital.

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Section: Discussionmentioning

confidence: 99%

Influence of operator’s experience on complications of root canal treatment using contemporary techniques: a retrospective study

Shao,

Guan,

Zhang

et al. 2024

BMC Oral Health

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ProDesign Logic Files Effect on Apical Foramen Wear and Shape Transformation After Foraminal Enlargement

Castillo Marin,

Abu Hasna,

Frozoni

et al. 2024

Dentistry Journal

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Background/Objectives: This study aimed to evaluate the effect of ProDesign Logic files 45.01 and 50.01 on apical foramen wear and shape transformation after foraminal enlargement at tooth length (TL) and 1 mm beyond. Methods: Sixty freshly extracted single-rooted lower human premolars teeth were distributed randomly into five groups (n = 12): Group 1 (40.05 WL) (control): No foraminal enlargement, Group 2 (45.01 TL): Specimens underwent foraminal enlargement with 45.01 Prodesign Logic file at TL; Group 3 (45.01 TL + 1): Specimens underwent foraminal enlargement with 45.01 Prodesign Logic file at 1 mm beyond TL; Group 4 (50.01 TL): Specimens underwent foraminal enlargement with 50.01 Prodesign Logic file at TL; Group 5 (50.01 TL + 1): Specimens underwent foraminal enlargement with 50.01 Prodesign Logic file at 1 mm beyond TL. Scanning electron microscopy was used to evaluate apical foramen variations and shape alterations. Data were analyzed by Student’s t-test, Kruskal–Wallis, and Mann–Whitney test. Results: Significant differences (p < 0.01) were observed among all tested groups compared to the control group in terms of the average worn area of the apical foramen. Foraminal enlargement led to significant shape transformation, resulting in round-shaped foramina. Conclusion: ProDesign Logic 45.01 and 50.01 files at TL causes notable wear and round-shaped foramina.

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Incidence of fracture of ProDesign Logic system instruments: A cross-sectional retrospective study

Cited by 2 publications

References 34 publications

Influence of operator’s experience on complications of root canal treatment using contemporary techniques: a retrospective study

Influence of operator’s experience on complications of root canal treatment using contemporary techniques: a retrospective study

ProDesign Logic Files Effect on Apical Foramen Wear and Shape Transformation After Foraminal Enlargement

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